AP ICET 2017 Shift 2 Paper

Question : 106 of 200

Marks: +1, -0

The radius o f a roller is 35 cm and its length of 3 meters. The area (in sq.mts) it covers in 25 rounds is(Take

π=22/7

)

Solution:

Area covered

=n(2πrl)

=25×2×{22}/{7}×{35}/{100}×3=165{m}

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